KAMY Roadheaders

KM's BETEK chinese regional agent, and our products are exported all over the world.

handles drill bit

Drill bit - Wikipedia

Drill bit geometry has several characteristics: The spiral (or rate of twist) in the drill bit controls the rate of chip removal. A fast spiral (high twist rate or "compact flute") drill bit is used in high feed rate applications under low spindle speeds, where removal of a large volume of chips is required.

Drill - Wikipedia

A drill is a tool fitted with a cutting tool attachment or driving tool attachment, usually a drill bit or driver bit, used for boring holes in various materials or fastening various materials together.